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Icom IC-M422 manual 59

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COMMANDMIC II™ HM-157 12

Mounting base

2 mm; 3⁄32˝

5 mm; 3⁄16˝

24 to 27 (d) mm (15⁄16 to 11⁄16˝)

23 (d) mm; 29⁄32˝

50 (d) mm; 131⁄32˝

12

Nut

Gasket

Cap

53

Contents

INSTRUCTION MANUAL FOREWORD IMPORTANT EXPLICIT DEFINITIONS IN CASE OF EMERGENCY NOTE RADIO OPERATOR WARNING TABLE OF CONTENTS PRECAUTIONS OPERATING RULES 2 PANEL DESCRIPTION ■Microphone ■Function display BASIC OPERATION Page ■Receiving and transmitting ■Call channel programming ■Channel comments ■Microphone Lock function ■Display backlight 4 SCAN OPERATION ■Setting TAG channels ■ Starting a scan 5 DUALWATCH/TRI-WATCH DSC OPERATION ■DSC Address ID ■ Position indication ■Distress call ■Transmitting DSC calls Page Page Page Page Page Page Page Page ■Receiving DSC calls Page Page Page 7 OTHER FUNCTIONS ■Public Address (PA) function ■RX Speaker function 8 SET MODE Page Page CONNECTIONS AND MAINTENANCE ■Supplied accessories ■Antenna ■Fuse replacement ■Mounting the transceiver ■Optional MB-69installation 10 TROUBLESHOOTING SPECIFICATIONS AND OPTIONS 12 COMMANDMIC II™ HM-157 Page Page Page Page Page ■Lock functions ■Dualwatch/Tri-watchoperation ■Monitor function ■Starting a scan Page ■Public Address function ■HM-157supplied accessories ■Installation Page 13 CHANNEL LIST TEMPLATE